CN217504903U - Water level detection structure of sewage tank - Google Patents

Abstract

The application discloses a water level detection structure of a sewage tank, wherein the sewage tank comprises a tank body and an upper cover covering the tank body, and the sewage tank comprises a probe, a bracket and a water blocking sleeve; the bracket is connected with the upper cover and extends into the box body, the bracket is provided with a mounting hole, the bottom of the bracket is provided with a contact groove communicated with the mounting hole, the probe is mounted in the mounting hole, and the sewage level in the box body is detected through the contact groove; the lower end of the water blocking sleeve is provided with an opening, the size of the water blocking sleeve is larger than that of the bracket, and the water blocking sleeve is arranged at the bottom of the bracket and circumferentially surrounds the contact groove; the technical problem of the water curtain or splash in the sewage case splash or foam etc. easily attached to water level probe surface, lead to the probe to send out the signal false report that water is full, need to clear up the back and continue to use, have influenced user and have used the experience is solved.

Description

Water level detection structure of sewage tank

Technical Field

The application relates to the technical field of household electrical appliances, in particular to a water level detection structure of a sewage tank.

Background

The floor washing machine or other water-absorbing cleaning machines are usually provided with a sewage tank for loading recovered sewage, the liquid level detection function of the sewage tank plays a very important role, the liquid level in the sewage tank can be accurately detected, the normal working time of the machine can be ensured, and the damage to the machine caused by excessive sewage can be avoided.

The sewage incasement is equipped with the conductive probe that is used for detecting the water level, but when the machine inhales great water yield or produce the foam, the water curtain or splash that form in the sewage incasement space splash or foam etc. easily attach to the probe surface, and the probe can send the signal that water is full to lead to the mistake to report water is full, and the user can continue to use after needing to clear up, has seriously influenced user's use experience.

SUMMERY OF THE UTILITY MODEL

The application provides a water level detection structure of sewage case for solve the cascade of sewage incasement or splash or foam etc. and easily adhere to on water level probe surface, lead to the probe to send out the signal false positive that water is full, need clear up the back and resume the use, influenced the technical problem that the user used experience.

The application provides a water level detection structure of a sewage tank, the sewage tank comprises a tank body and an upper cover covering the tank body, and the sewage tank comprises a probe, a bracket and a water blocking sleeve; the bracket is connected with the upper cover and extends into the box body, the bracket is provided with a mounting hole, the bottom of the bracket is provided with a contact groove communicated with the mounting hole, the probe is mounted in the mounting hole, and the sewage level in the box body is detected through the contact groove; the lower end of the water blocking sleeve is provided with an opening, the size of the water blocking sleeve is larger than that of the support, and the water blocking sleeve is arranged at the bottom of the support and circumferentially surrounds the contact groove.

In this application, a conductive probe for surveying the water level installs in the mounting hole of support, the contact tank intercommunication mounting hole that the support bottom was seted up, the probe can contact the sewage in the sewage case through the contact tank in order to detect the water level, the cover that blocks water is installed in the bottom of support, the lateral wall has surrounded the contact tank, because its lower extreme is the opening, and the size is greater than the support, it has certain distance to block between water cover and the contact tank, thereby water level in the sewage case can rise and block between water cover and the contact tank and contact with the probe, the sewage in the sewage case is at the produced foam of use, the equal separation of splash etc. is outside the cover that blocks water, make the probe can accurately detect the true height of water level, do not influenced by other factors and produce wrong water full signal, ensure cleaner normal operating.

Preferably, the water blocking sleeve is communicated with the water blocking sleeve from top to bottom, the side wall of the water blocking sleeve is divided into a fixing area and a water blocking area, and the water blocking area is umbrella-shaped. The umbrella-shaped structure enables the water blocking sleeve to play a water blocking role and does not influence the water level detection of the probe.

Preferably, the bracket is provided with a plurality of convex locking blocks, the fixing area is provided with a plurality of locking grooves, and the water blocking sleeve is fixed on the bracket by inserting the locking blocks into the locking grooves.

Preferably, the locking blocks comprise a first locking block and a second locking block, the second locking block is located below the first locking block, and the lower end face of the second locking block is arranged obliquely upwards. The lower end face arranged obliquely upwards is convenient for installing the water blocking sleeve.

Preferably, the locking grooves include a first locking groove and a second locking groove, the first locking groove is formed in the upper end face of the water blocking sleeve, and the second locking groove is annular and formed in the inner wall of the water blocking sleeve.

Preferably, the water blocking sleeve is made of insulating rubber.

Preferably, the mounting hole is provided with a matching section, and the probe is fixed with the matching section through interference fit. The bottom surface of the probe does not contact the bottom surface of the mounting hole, when the water level rises, the contact area of the probe and water is increased, and the detection is more accurate.

Drawings

Fig. 1 is a schematic sectional view of a water level detecting structure provided by the present invention;

fig. 2 is an exploded view of the water level detection structure provided by the present invention;

fig. 3 is an enlarged view of the structure at a provided by the present invention;

fig. 4 is a sectional view of the installation state provided by the present invention;

fig. 5 is a schematic structural view of the water blocking sleeve provided by the present invention.

Detailed Description

The embodiment of the application provides a water level detection structure of sewage case for solve the water curtain or splash in the sewage case and splash or foam etc. and easily adhere to on water level probe surface, lead to the probe to send out the signal false report that water is full, need clear up the back and resume the use, influenced the technical problem that the user used and experienced.

In order to make the objects, features and advantages of the present invention more apparent and understandable, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the embodiments described below are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Referring to fig. 1 to 5, an embodiment of the present application provides a water level detecting structure of a sewage tank, the sewage tank includes a tank body 1 and an upper cover 2 covering the tank body 1, and includes a probe 3, a bracket 4 and a water blocking sleeve 5; the support 4 is connected with the upper cover 2 and extends into the box body 1, the support 4 is provided with a mounting hole 41, the bottom of the support 4 is provided with a contact groove 42 communicated with the mounting hole 41, the probe 3 is mounted in the mounting hole 41, and the sewage level in the box body 1 is detected through the contact groove 42; the lower end of the water blocking sleeve 5 is open and larger than the bracket 4, and the water blocking sleeve 5 is mounted at the bottom of the bracket 4 and circumferentially surrounds the contact groove 42.

The left side and the right side of the upper cover 2 extend into the box body 1 to form the columnar supports 4, the mounting holes 41 are formed in the middles of the supports 4, the side walls of the bottoms of the supports 4 are provided with contact grooves 42 communicated with the mounting holes 41, the probes 3 are inserted into the mounting holes 41 and then are contacted with sewage in the box body 1 through the contact grooves 42, after the conductive probes 3 are contacted with the water, the probes 3 with two conductive sides are communicated with a circuit, the main control board sends a water full signal to control the cleaner to pause, the cleaner can continue to operate after the sewage needs to be cleaned, the sewage is ensured to be in a normal range when the cleaner is used, and the sewage is prevented from overflowing; most of the side wall of the probe 3 is positioned in the bracket 4 and is only contacted with the sewage through the contact groove 42, so that the influence of splashing of the sewage, foam or water curtain and the like is reduced, and false alarm is generated; the cooperation of hindering water jacket 5 and support 4 bottom has surrounded contact groove 42, because the lower extreme diameter that hinders water jacket 5 is greater than support 4, hinder and have certain space between water jacket 5 and the support 4, sewage can rise to contact groove 42 and the contact of probe 3, through hindering produced foam, the water or the cascade separation of splashing in the lateral wall that water jacket 5 will use, thereby can make the water level detection of sewage case accurate, do not receive the conductive probe 3 switch-on of other unexpected factors lead to both sides, produce wrong signal influence user's use.

Further, the water blocking sleeve 5 is vertically communicated, the side wall thereof is divided into a fixing area 51 and a water blocking area 52, and the water blocking area 52 is umbrella-shaped. The fixing area 51 is matched with the bracket 4 to plug the water blocking sleeve 5 on the bracket 4, the water blocking area 52 is umbrella-shaped, and the space between the inner wall of the water blocking area 52 and the side wall of the bracket 4 is gradually enlarged downwards, so that the sewage can be accurately connected with the probe 3 at the contact groove 42, and the blocking effect of the water blocking sleeve 5 can be exerted.

Further, a plurality of convex locking blocks are arranged on the bracket 4, a plurality of locking grooves are arranged in the fixing area 51, and the water blocking sleeve 5 is fixed on the bracket 4 by inserting the locking grooves into the locking blocks. The locking blocks comprise a first locking block 43 and a second locking block 44, the second locking block 44 is located below the first locking block 43, and the lower end face of the second locking block 44 is arranged obliquely upwards. The lower end surface arranged obliquely upward facilitates the installation of the water blocking sleeve 5. The locking grooves include a first locking groove 53 and a second locking groove 54, the first locking groove 53 is opened on the upper end surface of the water blocking sleeve 5, and the second locking groove 54 is annular and opened on the inner wall of the water blocking sleeve 5. The first locking block 43 and the second locking block 44 arranged on the side wall of the support 4 are respectively connected with the first locking groove 53 and the second locking groove 54 in an inserting mode, the locking blocks are in a block shape protruding along the side wall of the columnar support 4, the first locking groove 53 is formed in the upper end face of the water blocking sleeve 5 and matched with the first locking block 43 in shape, whether the water blocking sleeve 5 is installed in place or not can be confirmed through the alignment of the first locking block 43 and the first locking groove 53 in the installation process, the second locking groove 54 is formed in the inner wall of the fixing area 51, the lower end face of the second locking block 44 inclines upwards, when the water blocking sleeve 5 is installed upwards from the bottom of the support 4, the friction resistance between the second locking block 44 and the inner wall of the water blocking sleeve 5 is reduced, the installation is easier, meanwhile, after the locking blocks are inserted into the locking grooves, the water blocking sleeve 5 is not prone to falling off, and the water blocking sleeve 5 can be stably installed on the support 4.

Furtherly again, the cover 5 that blocks water makes for insulating rubber, and the speciality of rubber makes the cover 5 that blocks water can take place elastic deformation, and the installation is all more convenient with the dismantlement, and the user can dismantle after using and wash, through the insulation of the cover 5 that blocks water, prevents that water from leading to the fact water level detection wrong report through with 5 intercommunications of the cover that blocks water and probe 3 intercommunication again.

Further, the mounting hole 41 is provided with a fitting section 411, and the probe 3 is fixed to the fitting section 411 by interference fit. The upper portion diameter of mounting hole 41 is greater than the diameter of probe 3, and the lower part is cooperation section 411, and probe 3 is fixed in support 4 through with cooperation section 411 interference fit for the lower terminal surface of probe 3 does not directly butt with the lower terminal surface of mounting hole 41, and when the sewage rise in the sewage case, the lower terminal surface and the side of probe 3 all can contact sewage, and the detection of water level is more accurate.

In this embodiment, probe 3 installs in support 4 through interference fit, by the water level height of contact groove 42 to detecting sewage, the umbelliform structure of water blocking cover 5, circumference has surrounded contact groove 42, and the lower terminal surface of water blocking cover 5 is higher than the lower terminal surface of support 4, the produced splash of cleaner use splash of umbelliform lateral wall, separation such as foam or cascade, prevent the height of wrong report water level, ensure simultaneously that sewage can rise to the space between the inboard of water blocking cover 5 and the support 4, contact with probe 3, conductive probe 3 when both sides forms the route, be connected with the main control board and send the full signal control cleaner stop motion of sewage, clear up sewage, the normal operating of cleaner when guaranteeing the user to use, the height of accurate detection water level, improve the use quality and the user experience of product.

Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.

Claims (7)

1. A water level detection structure of a sewage tank comprises a tank body and an upper cover covering the tank body, and is characterized by comprising a probe, a bracket and a water blocking sleeve; the bracket is connected with the upper cover and extends into the box body, the bracket is provided with a mounting hole, the bottom of the bracket is provided with a contact groove communicated with the mounting hole, the probe is mounted in the mounting hole, and the sewage level in the box body is detected through the contact groove;

the lower end of the water blocking sleeve is provided with an opening, the size of the water blocking sleeve is larger than that of the support, and the water blocking sleeve is arranged at the bottom of the support and circumferentially surrounds the contact groove.

2. The water level sensing structure of the wastewater tank as recited in claim 1, wherein the water blocking sleeve is vertically connected, and a sidewall thereof is divided into a fixing region and a water blocking region, and the water blocking region is formed in an umbrella shape.

3. The water level sensing structure of a sewage tank of claim 2, wherein the bracket is provided with a plurality of protruding locking blocks, the fixing section is provided with a plurality of locking grooves, and the water blocking sleeve is fixed to the bracket by being inserted into the locking blocks through the locking grooves.

4. The water level sensing structure of a sewage tank of claim 3, wherein the locking blocks comprise a first locking block and a second locking block, the second locking block is positioned below the first locking block, and a lower end surface of the second locking block is arranged obliquely upward.

5. The water level sensing structure of a wastewater tank as recited in claim 3, wherein the locking grooves include a first locking groove opened in an upper end surface of the water blocking sleeve and a second locking groove having a ring shape opened in an inner wall of the water blocking sleeve.

6. The water level sensing structure of a sump according to claim 1, wherein the water blocking sleeve is made of insulating rubber.

7. The water level sensing structure of a wastewater tank as recited in claim 1, wherein the mounting hole is provided with an engagement section, and the probe is fixed to the engagement section by interference fit.

Images